On Fri, Oct 28, 2022 at 05:41:29PM +0000, Pearson, Robert B wrote: > Yes. Every time it turns out that you really need irqsave locks for > rxe it is because some maniac is calling into the verbs API at > interrupt level. I have run into this a couple of times. I'm pretty sure post_send is not legal to call from an irq or softirq.. Jason